CVE-2026-26956
CVE-2026-26956 · vm2: WASM Sandbox Escape (Node 25 only)
This page contains facts from public vulnerability sources. Check the original advisory before updating.
vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.
CVSS 9.8 · Critical · EPSS 1.1% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
Original sources
- https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66
- https://github.com/patriksimek/vm2/releases/tag/v3.10.5
- https://access.redhat.com/security/cve/CVE-2026-26956
- https://bugzilla.redhat.com/show_bug.cgi?id=2466548
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26956.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-26956